<template>
  <div class="login">
    <z-header>登录</z-header>

    <!-- 登录区域 -->
    <section class="page">
      <div class="login-page">
        <!-- 登录框 -->
        <div class="login-wrap">
          <div class="login-text needsclick">
            <input @mouseenter="focusText" @mouseleave="blurText" v-model="username" type="text" class="login-username" placeholder="用户名/邮箱/已验证手机" />
            <i class="iconfont iconfont-guanbi1" data-close="username" v-show="!usernameClose" @touchstart="clearText"></i>
          </div>
          <div class="login-text">
            <input @mouseenter="focusText" @mouseleave="blurText" ref="passwordText" v-model="password" type="password" class="login-password" placeholder="请输入密码" />
            <div>
              <i class="iconfont iconfont-guanbi1" data-close="password" v-show="!passwordClose" @click="clearText"></i>
              <i class="iconfont iconfont-yanjing-guan eye" @click="changeType" v-if="!passwordType"></i>
              <i class="iconfont iconfont-yanjing_kai eye" @click="changeType" v-else></i>
              <router-link to="./forget-password">忘记密码</router-link>
            </div>
          </div>
        </div>

        <!-- 错误提示 -->
        <div class="login-error">{{errMsg}}</div>
        <button class="login-button" :class="{'active' : username.trim()&&password.trim()}" @click="postLogin">登 录</button>
        <!-- 快捷导航 -->
        <div class="quick-nav">
          <router-link class="register-button" to="./register">快速注册</router-link>
        </div>
        <!-- 其他登录方式 -->
        <div class="other-login">
          <div class="other-head">
            <i></i>
            <span>其它登录方式</span>
            <i></i>
          </div>
          <div class="other-con">
            <div class="login-icon" @click="handleQQ">
              <i class="iconfont iconfont-QQ-circle-fill"></i>
              <span>QQ</span>
            </div>
            <div class="login-icon">
              <i class="iconfont iconfont-weixin"></i>
              <span>微信</span>
            </div>
          </div>
          <p>登录即代表您已同意<a>知心购隐私政策</a></p>
        </div>
      </div>
    </section>
  </div>
</template>

<script>
import zHeader from "../../components/z-header.vue";
import { login, setToken, getUserInfo,getCarList } from "../../api/index";
import Vue from 'vue';
import { Toast } from 'vant';

Vue.use(Toast);

export default {
  data() {
    return {
      username: '',
      password: '',
      errMsg: '',
      usernameClose: true,
      passwordClose: true,
      passwordType: 0
    }
  },
  methods: {
    focusText(e) {
      let $className = e.currentTarget.className
      $className === 'login-username' ? this.usernameClose = false : this.passwordClose = false
    },
    blurText(e) {
      let $className = e.currentTarget.className
      $className === 'login-username' ? this.usernameClose = true : this.passwordClose = true
    },
    clearText(e) {
      let $close = e.currentTarget.getAttribute('data-close')
      this[$close] = ''
    },
    changeType() {
      let $type = this.$refs.passwordText.getAttribute('type'),
        value = ''
      $type === 'password' ? value = 'text' : value = 'password'
      this.$refs.passwordText.setAttribute('type', value)
      this.passwordType = !this.passwordType
    },
    // 登录请求
    postLogin() {
      if (!(this.username).trim() || !(this.password).trim()) {
        return
      }
      const params = {
        username: this.username,
        password: this.password
      }

      login(params).then(res => {
        if (res.status == 0) {
          // 登录成功后立即获取用户信息并存储到store中，然后再进入user界面
          Toast('登录成功');
          setToken(res.data.token);
          sessionStorage.setItem('zxgToken', res.data.token);
          getCarList().then(res=>{
            // 将购物车商品数量存入vuex
            this.$store.commit('updateProductNum',res.length)
          })

          getUserInfo().then(res => {
            if (res.msg === 'ok') {
              // mutaions更新store
              this.$store.commit('setUserInfo', res.data);
              // 防止又回到登录页
              this.$router.replace('/me')
            } else {
              return;
            }
          })
        } else {
          Toast(res.msg);
          this.errMsg = res.msg
        }
      })
    },
    // QQ授权
    handleQQ(){

    }
  },
  components: {
    zHeader
  }
}
</script>

<style lang="scss" scoped>
@import "../../common/style/mixin.scss";

.page {
  padding: 0 50px;
  width: 100%;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;

  .login-page {
    margin-top: 60px;

    .login-wrap {
      width: 100%;

      .login-text {
        @include fj;
        width: 100%;
        height: 60px;
        line-height: 60px;
        padding: 20px 0;
        margin-top: 20px;
        border-bottom: 1px solid #dcdcdc;

        .iconfont {
          font-size: 26px;
          color: #cccccc;

          &.eye {
            padding: 0 30px;
            font-size: 40px;
            border-right: 1px solid #dcdcdc;
          }
        }

        input {
          width: 100%;
          height: 100%;
          margin-right: 20px;
          line-height: 60px;
          color: #222;
          font-size: 32px;

          &.login-password {
            width: 50%;
          }
        }

        span {
          padding-left: 20px;
          font-size: 30px;
        }

        div {
          display: flex;
        }
      }
    }

    .login-error {
      width: 100%;
      height: 40px;
      line-height: 40px;
      padding: 30px 0;
      color: $red;
      font-size: 26px;
    }

    .login-button {
      width: 100%;
      height: 100px;
      text-align: center;
      line-height: 100px;
      color: #fff;
      font-size: 32px;
      background: rgba(246, 53, 21, 0.5);
      @include borderRadius(60px);

      &.active {
        background: rgb(246, 53, 21);
      }
    }

    .quick-nav {
      padding: 40px 0;
      width: 100%;
      text-align: right;

      .register-button {
        color: #999;
        font-size: 28px;
      }
    }

    .other-login {
      width: 100%;
      margin-top: 100px;

      .other-head {
        @include fj;

        i {
          flex: 1;
          height: 1px;
          margin-top: 18px;
          background: #dcdcdc;
        }

        span {
          flex: 1;
          text-align: center;
          font-size: 28px;
          color: #dcdcdc;
        }
      }

      .other-con {
        display: flex;
        width: 320px;
        padding: 40px 0;
        margin: 0 auto;

        .login-icon {
          display: flex;
          flex-direction: column;
          width: 96px;
          margin: 0 30px;
          text-align: center;

          .iconfont {
            width: 100%;
            height: 96px;
            line-height: 96px;
            font-size: 100px;
            color: #15b8f5;
            background: #e7f7fe;
            @include borderRadius(50%);

            &.iconfont-weixin {
              font-size: 100px;
              color: #09bb07;
              background: #e6f8e6;
            }
          }

          span {
            padding-top: 20px;
            color: #999;
          }
        }
      }

      p {
        margin-top: 20px;
        width: 100%;
        text-align: center;
        color: #999;

        a {
          color: #409eff;
        }
      }
    }
  }
}
</style>